<template>
    <div id="app">
      <table class="tb">
        <tr>
          <th>编号</th>
          <th>品牌名称</th>
          <th>创立时间</th>
          <th>操作</th>
        </tr>
        <!-- 循环渲染的元素tr -->
        <tr v-for="(item) in list" :key="item.id">
          <td>{{item.id}}</td>
          <td>{{item.name}}</td>
          <td>{{item.time}}</td>
          <td>
            <button @click="del(item.id)">删除</button>
          </td>
        </tr>
        <tr v-if="list.length===0">
          <td colspan="4">没有数据咯~</td>
        </tr>
      </table>
    </div>
  </template>
  
  <script>
  export default {
    data() {
      return {
        list: [
          { id: 1, name: "奔驰", time: "2020-08-01" },
          { id: 2, name: "宝马", time: "2020-08-02" },
          { id: 3, name: "奥迪", time: "2020-08-03" },
        ],
      };
    },
    methods:{
      del(id){
         const index= this.list.findIndex(item=>item.id==id);
         this.list.splice(index,1);
      }
    },
  };
  </script>
  
  <style>
  #app {
    width: 600px;
    margin: 10px auto;
  }
  
  .tb {
    border-collapse: collapse;
    width: 100%;
  }
  
  .tb th {
    background-color: #0094ff;
    color: white;
  }
  
  .tb td,
  .tb th {
    padding: 5px;
    border: 1px solid black;
    text-align: center;
  }
  
  .add {
    padding: 5px;
    border: 1px solid black;
    margin-bottom: 10px;
  }
  </style>